On 6 May 2014 14:33, Dmitry Poletaev <poletaev-q...@yandex.ru> wrote:
> Eflags for bt/bts/btr/btc instructions compute as for shift(SAR) 
> instructions. According to Intel A2 manual, for btx instructions zf is 
> unaffected under any condition, but for SAR group, when evaluate eflags, we 
> compute zf.

Isn't this the same bug that's fixed by Richard Henderson's
patch from last month?

http://patchwork.ozlabs.org/patch/337929/

thanks
-- PMM

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